From e964fa5d8f49edc5e731a82b1600313369b0ecaf Mon Sep 17 00:00:00 2001
From: Steven Barth <cyrus@openwrt.org>
Date: Mon, 28 Jan 2013 13:53:43 +0000
Subject: [PATCH] odhcp6c: work-around for proto-script to avoid loosing the
 default route

SVN-Revision: 35345
---
 package/network/ipv6/odhcp6c/Makefile         |  2 +-
 .../network/ipv6/odhcp6c/files/dhcpv6.script  | 29 +++++++------------
 2 files changed, 11 insertions(+), 20 deletions(-)

diff --git a/package/network/ipv6/odhcp6c/Makefile b/package/network/ipv6/odhcp6c/Makefile
index dc729fc4b9..0d66272ef2 100644
--- a/package/network/ipv6/odhcp6c/Makefile
+++ b/package/network/ipv6/odhcp6c/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=odhcp6c
-PKG_VERSION:=2013-01-21
+PKG_VERSION:=2013-01-28
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 859ae1b745..f2161c2339 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -7,34 +7,29 @@ ipv6_conf() {
 	echo "$3" > "/proc/sys/net/ipv6/conf/$1/$2"
 }
 
-# RFC 6204 requires us to block forwarding until address acquisition is complete
-ipv6_block_forwarding() {
-	ip6tables "-$2" forwarding_rule -o "$1" -j REJECT --reject-with no-route 2>/dev/null
-}
-
 prepare_interface() {
 	local device="$1"
-
-	ipv6_block_forwarding "$device" A
-
 	ipv6_conf "$device" accept_ra 2
 	ipv6_conf "$device" forwarding 2
 
 	# Send RS
-	[ -x /usr/sbin/6relayd ] && /usr/sbin/6relayd -s "$device"
+	if [ -x /usr/sbin/6relayd ]; then
+		sleep 1
+		/usr/sbin/6relayd -s "$device"
+		sleep 4
+		/usr/sbin/6relayd -s "$device"
+	fi
+
 }
 
 cleanup_interface() {
 	local device="$1"
 	ipv6_conf "$device" accept_ra 1
 	ipv6_conf "$device" forwarding 1
-	ipv6_block_forwarding "$device" D
 }
 
 setup_interface () {
 	local device="$1"
-	ipv6_block_forwarding "$device" D
-
 	proto_init_update "*" 1
 
 	for dns in $RDNSS; do
@@ -60,16 +55,12 @@ teardown_interface() {
 }
 
 case "$2" in
-	started)
-		prepare_interface "$1"
-	;;
-	stopped)
-		cleanup_interface "$1"
-	;;
 	informed|bound|updated|rebound)
 		setup_interface "$1"
+		prepare_interface "$1"
 	;;
-	unbound|timeout)
+	started|stopped|unbound)
+		cleanup_interface "$1"
 		teardown_interface "$1"
 	;;
 esac